<template>
  <el-card shadow="never" header="我的常用">
    <ul class="myMods">
      <li v-for="mod in myMods" :key="mod.path" :style="{background:mod.meta.color||'#909399'}">
        <a v-if="mod.meta.type==='link'" :href="mod.path" target="_blank">
          <el-icon>
            <component :is="mod.meta.icon||'el-icon-menu'"/>
          </el-icon>
          <p>{{ mod.meta.title }}</p>
        </a>
        <router-link v-else :to="{ path: mod.path }">
          <el-icon>
            <component :is="mod.meta.icon||'el-icon-menu'"/>
          </el-icon>
          <p>{{ mod.meta.title }}</p>
        </router-link>
      </li>
      <li class="modItem-add" @click="addMods">
        <a href="javascript:void(0)">
          <el-icon><el-icon-plus/></el-icon>
        </a>
      </li>
    </ul>

    <el-drawer title="添加应用" v-model="modsDrawer" :size="570" destroy-on-close>
      <div class="setMods">
        <h4>我的常用 ( {{ myMods.length }} )</h4>
        <draggable tag="ul" v-model="myMods" animation="200" item-key="path" group="people">
          <template #item="{ element }">
            <li :style="{background:element.meta.color||'#909399'}">
              <el-icon>
                <component :is="element.meta.icon||'el-icon-menu'"/>
              </el-icon>
              <p>{{ element.meta.title }}</p>
            </li>
          </template>
        </draggable>
      </div>
      <div class="setMods">
        <h4>全部应用 ( {{ filterMods.length }} )</h4>
        <draggable tag="ul" v-model="filterMods" animation="200" item-key="path" :sort="false" group="people">
          <template #item="{ element }">
            <li :style="{background:element.meta.color||'#909399'}">
              <el-icon>
                <component :is="element.meta.icon||'el-icon-menu'"/>
              </el-icon>
              <p>{{ element.meta.title }}</p>
            </li>
          </template>
        </draggable>
      </div>
      <template #footer>
        <el-button @click="modsDrawer=false">取消</el-button>
        <el-button type="primary" @click="saveMods">保存</el-button>
      </template>
    </el-drawer>
  </el-card>
</template>

<script>
import draggable from 'vuedraggable'
import tool from '@/utils/tool'

export default {
  title: "我的常用",
  icon: "el-icon-odometer",
  description: "自定义快捷入口",
  components: {
    draggable
  },
  data() {
    return {
      mods: [],
      myMods: [],
      myModsName: [],
      filterMods: [],
      modsDrawer: false
    }
  },
  mounted() {
    this.getMods()
  },
  methods: {
    addMods() {
      this.modsDrawer = true
    },
    getMods() {
      //这里可用改为读取远程数据
      this.myModsName = tool.data.get("my-mods") || []
      const menuTree = tool.data.get("MENU");
      this.filterMenu(menuTree)
      this.myMods = this.mods.filter(item => {
        return this.myModsName.includes(item.name)
      })
      this.filterMods = this.mods.filter(item => {
        return !this.myModsName.includes(item.name)
      })
    },
    filterMenu(map) {
      map.forEach(item => {
        if (item.meta.hidden || item.meta.type === "button") {
          return false
        }
        if (item.meta.type === 'iframe') {
          item.path = `/i/${item.name}`
        }
        if (item.children && item.children.length > 0) {
          this.filterMenu(item.children)
        } else {
          this.mods.push(item)
        }
      })
    },
    saveMods() {
      const myModsName = this.myMods.map(v => v.name)
      tool.data.set("my-mods", myModsName)
      this.$message.success("设置常用成功")
      this.modsDrawer = false
    }
  }
}
</script>

<style scoped>
.myMods {
  list-style: none;
  margin: -10px;
}

.myMods li {
  display: inline-block;
  width: 100px;
  height: 100px;
  vertical-align: top;
  transition: all 0.3s ease;
  margin: 10px;
  border-radius: 5px;
}

.myMods li:hover {
  opacity: 0.8;
}

.myMods li a {
  width: 100%;
  height: 100%;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.myMods li i {
  font-size: 26px;
  color: #fff;
}

.myMods li p {
  font-size: 12px;
  color: #fff;
  margin-top: 10px;
  width: 100%;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.modItem-add {
  border: 1px dashed #ddd;
  cursor: pointer;
}

.modItem-add i {
  font-size: 30px;
  color: #999 !important;
}

.modItem-add:hover, .modItem-add:hover i {
  border-color: #409EFF;
  color: #409EFF !important;
}

.setMods {
  padding: 0 20px;
}

.setMods h4 {
  font-size: 14px;
  font-weight: normal;
}

.setMods ul {
  margin: 20px -5px;
  min-height: 90px;
}

.setMods li {
  display: inline-block;
  width: 80px;
  height: 80px;
  text-align: center;
  margin: 5px;
  color: #fff;
  vertical-align: top;
  padding: 4px;
  padding-top: 15px;
  cursor: move;
  border-radius: 3px;
}

.setMods li i {
  font-size: 20px;
}

.setMods li p {
  font-size: 12px;
  margin-top: 10px;
}

.setMods li.sortable-ghost {
  opacity: 0.3;
}
</style>
